Air energy steam type foam plastic integrated molding machine

Abstract

The present invention discloses an air-energy steam-type foam plastic integrated molding machine, including a mold molding device and a first box body constituting a steam generator, an air-energy heating device and a circulation pipeline device, wherein the air-energy heating device has an air-energy heating component arranged in the first box body; the steam heating device is used to heat the liquid transported from the first box body to a steam state; the circulation pipeline device includes a first pipeline structure connecting the steam heating device and the mold molding device, and a second pipeline structure connecting the mold molding device and the air-energy heating device. By adopting this technical solution, the air-energy steam generator is combined with the foam plastic molding machine, and the remaining steam is recycled to the air-energy heating device through the second pipeline structure, so as to better recover heat energy, avoid the steam water in the mold from being directly discharged into the workshop environment, optimize the production process, reduce the production cost, and save energy and protect the environment.

Description

Technical Field

[0001] The invention relates to the technical field of foam plastic processing, and in particular to an air energy steam type foam plastic integrated molding machine. Background Art

[0002] Foam plastics are a type of polymer material formed by a large number of gas micropores dispersed in solid plastics. They have the characteristics of light weight, heat insulation, sound absorption, and shock absorption. The preparation process of foam plastics mainly includes the following steps: 1. Injecting the foam raw material into the mold cavity of the molding mold; 2. Introducing high-temperature steam gas into the liquid or melt foam raw material; 3. Foaming the foam raw material to produce micropores, and fixing the micropore structure after growing to a certain volume, thereby obtaining foam plastics.

[0003] The existing foam plastic molding machine mainly includes an independent molding mold and an independent steam generating device, and the steam generating device usually adopts a boiler, that is, the boiler is used to provide steam to realize the molding and production of foam plastic products. At the same time, a longer conveying pipeline is required to connect the boiler and the molding mold for conveying high-temperature steam. It can be seen from the structure and working mode of the existing foam plastic molding machine that it still has the following problems in actual use: 1. The steam conveying pipeline is too long, the heat loss is large, and energy is wasted. Moreover, the boiler is a large-scale high-temperature and high-pressure container, which not only has high production costs, but also has great safety hazards and high safety management costs; 2. After the foam plastic is formed, excess hot steam will be discharged when the mold is opened, causing heat energy loss and making the workshop environment worse, which is not energy-saving and environmentally friendly. Summary of the invention

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the problems in the prior art of foam plastic molding machines that use boilers to transport steam, which have high production costs, great safety hazards, and the discharge of excess hot steam when the mold is opened, causing heat energy loss, and making the workshop environment worse, which is not energy-saving and not environmentally friendly; thereby providing an air-energy steam foam plastic integrated molding machine that has good safety, reduces production costs, improves energy utilization, and is both energy-saving and environmentally friendly.

[0005] The present invention provides an air-energy steam foam plastic integrated molding machine, comprising a mold molding device and a steam generator, wherein the steam generator comprises:

[0006] A first box body, on which a water inlet pipe is provided;

[0007] An air energy heating device, comprising an air energy heating component disposed in the first box, wherein the air energy heating component heats the liquid in the first box;

[0008] a steam heating device, connected to the first box through a first pipe, and used for heating the liquid transported from the first box to a steam state;

[0009] The circulation pipeline device includes a first pipeline structure connecting the steam heating device and the mold forming device to transport steam to the mold forming device, and a second pipeline structure connecting the mold forming device and the air energy heating device to transport the remaining steam in the mold forming device to the air energy heating device.

[0010] As a preferred solution, the steam generator further comprises a second box, the air energy heating device comprises a heat energy absorption component arranged in the second box, and the outlet of the second pipeline structure is connected to the second box.

[0011] As a preferred solution, the second box is connected to the steam heating device via a filter tube structure, and the filter tube structure is used to filter the condensed liquid in the second box.

[0012] As a preferred solution, the steam heating device comprises:

[0013] a third box, connected to the first box through a first pipeline and connected to the second box through a second pipeline;

[0014] The fourth box is connected to the third box and the inlet of the first pipeline structure respectively, and a steam heating component for heating liquid to a steam state is arranged in the fourth box.

[0015] As a preferred solution, the third box body is connected to the fourth box body through a third pipeline, and a one-way control valve is provided on the third pipeline.

[0016] As a preferred solution, a cold air pipeline for cooling the mold forming device is further provided between the second box body and the mold forming device, and a cold air control valve is provided on the cold air pipeline.

[0017] As a preferred solution, a flow guiding device for causing the water in the first box to form a spiral water flow is provided in the first box.

[0018] As a preferred solution, the flow guiding device is a propeller device, an ultrasonic vibration device, or a screw pump device.

[0019] As a preferred solution, the first pipeline structure and the second pipeline structure are respectively steam conduits, and the steam conduits are provided with solenoid valve devices.

[0020] As a preferred solution, a temperature monitor is also provided in the fourth box.

[0021] As a preferred solution, a pressure relief valve is also provided on the side wall of the fourth box body.

[0022] As a preferred solution, at least one layer of heat-insulating material is provided in the inner interlayer of the third box body, and a drain valve is provided on the side wall thereof.

[0023] As a preferred solution, the air energy heating component is a condenser, the heat energy absorption component is an evaporator, and the air energy heating device further comprises a compressor connecting the condenser and the evaporator.

[0024] The technical solution of the present invention has the following advantages compared with the prior art:

[0025] 1. In the foam plastic integrated molding machine provided by the present invention, an air energy steam generator is combined with the foam plastic molding machine. When working, the air energy heating device absorbs heat in the air to produce hot water, and then the hot water is transported to the steam heating device for secondary heating to generate steam, and reaches a high temperature and high pressure state, so that the steam is transported to the mold cavity through the first pipeline structure. After the molding of the foam plastic product is completed, the remaining steam is recovered to the air energy heating device through the second pipeline structure for recycling. The advantage of such a design is that according to the working principle of the air energy heating device absorbing air heat and exchanging it with the water medium, that is, the air energy heating device is used to absorb steam heat so as to better recover heat energy, which can not only improve the working efficiency of the air energy heating device and have good energy saving performance, but also avoid the steam water in the mold from being directly discharged into the atmosphere, thereby ensuring the cleanliness of the workshop environment, and no longer using the steam transmission method of the boiler, thereby optimizing the production process, reducing production costs, having good safety, and effectively improving energy utilization, which is both energy-saving and environmentally friendly.

[0026] 2. In the foam plastic integrated molding machine provided by the present invention, the air energy heating device has a heat energy absorption component arranged in the second box body, and the outlet of the second pipeline structure is connected to the second box body. With this structural arrangement, the hot steam in the mold molding device is introduced into the second box body by the second pipeline structure, and the waste heat is absorbed by the heat energy absorption component to recover the heat energy and improve the work efficiency. Then, the obtained heat is converted into the heat energy of water by the air energy heating component, so as to generate hot water. In this way, the heat is recycled and the conservation of heat is realized. The design is reasonable and the coordination is reliable.

[0027] 3. In the foam plastic integrated molding machine provided by the present invention, the second box body is connected to the steam heating device through a filter tube structure. With this structural arrangement, the condensed liquid is filtered through the filter tube structure and then introduced into the steam heating device, and then reheated by the steam heating device to form steam, which is then transported to the mold molding device for use. This design can prevent water accumulation in the second box body, and recycle the condensed liquid, reduce wastewater and exhaust gas emissions, achieve rational utilization of resources, and save energy and protect the environment.

[0028] 4. In the foam plastic integrated molding machine provided by the present invention, the steam heating device includes a third box and a fourth box. The third box receives liquid water from the first box and the second box, and transports the liquid water to the fourth box to be heated to a steam state through a steam heating component. The fourth box is in a high temperature and high pressure state when working, which is sufficient to form boiling water and steam to meet the molding production needs of the mold molding device, and the second box is connected to the third box through a filter tube structure to ensure the safety and reliability of the connection, so that the condensed liquid in the second box is circulated to the fourth box through the filter tube structure and the third box for reheating and utilization. The third box can play a buffering role to reduce the influence of the high temperature and high pressure state in the fourth box on the filter tube structure and the connection state of the first pipeline.

[0029] 5. In the foam plastic integrated molding machine provided by the present invention, the air in the second box body is cooled down to form cold air after the heat is absorbed by the heat energy absorption component. According to the reasonable design of the working procedure, the cold air is blown to the mold molding device through the cold air pipeline arranged between the second box body and the mold molding device, so as to realize the air cooling and heat dissipation effect on the mold molding device, which is more energy-saving and effectively improves the energy utilization rate.

[0030] 6. In the foam plastic integrated molding machine provided by the present invention, a guide device is provided in the first box body for forming the water in the first box body into a spiral water flow. This structural setting enables the water flow to fully contact the air energy heating component in the spiral state, which is conducive to promoting heat exchange.

[0031] 7. In the foam plastic integrated molding machine provided by the present invention, at least one layer of thermal insulation material is provided in the inner interlayer of the third box body, and the thermal insulation material can be selected from asbestos or rock wool for thermal insulation. That is, the third box body is used as a thermal insulation water tank to keep the hot water inside it warm. When the box body needs to be cleaned, it is only necessary to open the drain valve provided on the third box body to drain the water, which can also effectively remove impurities accumulated in the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the specific implementation of the present invention or the technical solution in the prior art, the drawings required for use in the specific implementation or the description of the prior art are briefly introduced below.

[0033] Figure 1 A schematic diagram of the structure of the air energy steam foam plastic integrated molding machine provided for the invention;

[0034] Figure 2 It is a structural schematic diagram of a steam generator of the present invention;

[0035] Explanation of the accompanying drawings: 1-mold forming device, 11-mold cavity, 12-upper mold core, 13-lower mold core, 14-chassis, 21-first box body, 22-second box body, 23-water inlet pipe, 24-flow guide device, 3-air energy heating device, 31-air energy heating component, 32-heat energy absorption component, 33-compressor, 4-steam heating device, 41-third box body, 42-fourth box body, 43-steam heating component, 44-one-way control valve, 45-temperature monitor, 46-pressure relief valve, 47-drain valve, 5-first pipeline structure, 50-solenoid valve device, 6-second pipeline structure, 7-filter tube structure, 8-cold air pipeline, 81-cold air control valve, 9-intelligent control device. DETAILED DESCRIPTION

[0036] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0037] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] Example 1

[0040] This embodiment provides Figure 1-2 The air-steam foam plastic integrated molding machine shown comprises a mold molding device 1 and a steam generator, wherein the steam generator comprises:

[0041] A first box body 21, on which a water inlet pipe 23 is provided;

[0042] The air energy heating device 3 comprises an air energy heating component 31 arranged in the first box body 21, and the air energy heating component 31 heats the liquid in the first box body;

[0043] A steam heating device 4, connected to the first box through a first pipe, for heating the liquid transported from the first box to a steam state;

[0044] The circulation pipeline device includes a first pipeline structure 5 connecting the steam heating device 4 and the mold forming device 1 to transport steam to the mold forming device, and a second pipeline structure 6 connecting the mold forming device 1 and the air energy heating device 3 to transport the remaining steam in the mold forming device to the air energy heating device 3.

[0045] In the above embodiment, an air energy steam generator is combined with a foam plastic molding machine. When working, the air energy heating device 3 absorbs heat in the air to produce hot water, and then the hot water is transported to the steam heating device 4 for secondary heating to generate steam and reach a high temperature and high pressure state, so that the steam is transported to the mold cavity through the first pipeline structure 5. After the foam plastic product is formed, the remaining steam is recovered to the air energy heating device through the second pipeline structure 6 for recycling. The advantage of such a design is that according to the working principle of the air energy heating device absorbing air heat and exchanging it with the water medium, that is, the air energy heating device is used to absorb steam heat so as to better recover heat energy, which can not only improve the working efficiency of the air energy heating device and save energy, but also avoid the steam water in the mold from being directly discharged into the atmosphere, thereby ensuring the cleanliness of the workshop environment, and no longer using the steam transmission method of the boiler, thereby optimizing the production process, reducing production costs, and having good safety, and effectively improving energy utilization, which is both energy-saving and environmentally friendly.

[0046] Combine the following Figure 1-2 The specific configuration of the steam generator is described in detail:

[0047] The steam generator also includes a second box body 22, and the air energy heating device 3 has a heat energy absorption component 32 arranged in the second box body 22. The outlet of the second pipeline structure 6 is connected to the second box body 22, wherein the heat energy absorption component 32 acts as a heat absorption component to absorb heat from the outside, and the air energy heating component acts as a heat generation component to dissipate heat to the outside, thereby realizing heat conservation. Through the above-mentioned structural arrangement, the hot steam in the mold forming device 1 is introduced into the second box body 22 by the second pipeline structure 6, and the waste heat is absorbed by the heat energy absorption component 32 to play a role in recovering heat energy and improving work efficiency. Then, the acquired heat is converted into water heat energy through the air energy heating component 31, thereby generating hot water. In this way, it is recycled and heat conservation is realized, the design is reasonable, and the coordination is reliable.

[0048] The recovered steam water will form condensed liquid when it is cooled in the second box. In order to recycle the condensed liquid, the second box 22 is connected to the steam heating device 4 through a second pipe. The second pipe is a filter tube structure 7. The filter tube structure 7 is used to filter the condensed liquid in the second box. With this structural setting, the condensed liquid is filtered through the filter tube structure 7 and then introduced into the steam heating device. It is reheated by the steam heating device 4 to form steam and then transported to the mold forming device 1 for use. This design can prevent water accumulation in the second box, recycle the condensed liquid, reduce wastewater and exhaust gas emissions, achieve rational resource utilization, and save energy and protect the environment.

[0049] As a preferred embodiment, the mold forming device 1 will generate heat during the molding production process, and the air in the second box 22 will be cooled to form cold air after the heat is absorbed by the heat energy absorption component. Therefore, a cold air pipeline 8 for cooling the mold forming device is also arranged between the second box 22 and the mold forming device 1. A cold air control valve 81 is arranged on the cold air pipeline 8. The cold air control valve 81 is a solenoid valve structure, which conducts the cold air pipeline when opened. It is reasonably designed according to the working procedure. After the mold forming device completes the molding of the foam plastic product, the cold air is blown to the mold forming device 1 through the cold air pipeline 8 to achieve the effect of air cooling on the mold forming device. Compared with the traditional peripheral water cooling method, it has a simple structure, is more energy-saving, and effectively improves energy utilization.

[0050] As a specific structural setting, the first pipeline structure 5 and the second pipeline structure 6 are respectively steam conduits, and the steam conduits are provided with a solenoid valve device 50. Only when the solenoid valve device is turned on can the first pipeline structure 5 and the second pipeline structure 6 be normally connected to transport hot steam and liquid.

[0051] In this embodiment, the air energy heating component 31 is preferably a condenser, the heat energy absorption component 32 is preferably an evaporator, and the air energy heating device 3 also includes a compressor 33 connected to the condenser and the evaporator, wherein the evaporator realizes the evaporation heat absorption process, the condenser realizes the condensation heat generation process, and the compressor, condenser and evaporator are connected through a circulation pipeline, which stores a refrigerant medium. When working, the compressor is driven to operate, absorb a large amount of heat energy from the air through the evaporator, and then release the absorbed heat energy to water through the condenser to produce hot water. The specific working principles of the compressor, condenser and evaporator will not be described one by one.

[0052] The following combination Figure 1-2 The specific setting method of the steam heating device is described in detail:

[0053] The steam heating device 4 includes a third box 41 and a fourth box 42. The third box 41 is connected to the first box 21 through a first pipe and to the second box 22 through a filter tube structure. The fourth box 42 is connected to the third box 41 and the inlet of the first pipeline structure 5 respectively. A steam heating component 43 for heating liquid to a steam state is arranged in the fourth box 42. The steam heating component 43 is an electric heater. It can be seen from the above structure that the third box 41 receives liquid water from the first box and the second box, and transports the liquid water to the fourth box 42 to be heated to a steam state by the steam heating component 43. The fourth box is in a high temperature and high pressure state when working, which is enough to form boiling water and steam to meet the molding production needs of the mold molding device. The filter tube structure is not connected to the fourth box in order to avoid the fourth box from possibly spraying steam through the filter tube structure under high pressure, thereby ensuring the safety and reliability of the connection of the filter tube structure, so that the condensed liquid in the second box 22 circulates to the fourth box through the filter tube structure and the third box for reheating and utilization.

[0054] Further preferably, the third box 41 is connected to the fourth box 42 through a third pipe, and a one-way control valve 44 or an electromagnetic pump is provided on the third pipe, so that the hot water in the third box 41 can be reliably transported to the fourth box 42 for heating treatment, and Figure 1 As shown, a temperature monitor 45 is also provided in the fourth box body 42, and a pressure relief valve 46 is also provided on the side wall thereof. The temperature monitor 45 can monitor the change of the steam temperature in the steam chamber in real time, so that the operator can control the working time of the steam heating component. When the pressure in the fourth box body exceeds the preset value, the pressure relief valve will be opened to release the pressure to balance the internal pressure of the box body.

[0055] As a preferred embodiment, at least one layer of thermal insulation material is provided in the inner interlayer of the third box body 41, and a drain valve 47 is provided on the side wall thereof. With this structural arrangement, the thermal insulation material can be selected from asbestos or rock wool for thermal insulation, that is, the third box body 41 is used as an insulated water tank to keep the hot water inside it warm. When the box body needs to be cleaned, it is only necessary to open the drain valve 47 provided on the third box body to drain water, which can also effectively remove impurities accumulated in the box body.

[0056] In this embodiment, if Figure 2 As shown, in order to make the water in the first box body heated more evenly and fully, a guide device 24 is provided in the first box body 21 for forming the water in the first box body 21 into a spiral water flow. Specifically, the guide device 24 may preferably be a propeller device or an ultrasonic vibration device or a spiral pump device. With this structural arrangement, the water flow can fully contact the air energy heating component in the spiral state, which is conducive to promoting heat exchange.

[0057] Combine the following Figure 1 The specific structure of the mold forming device is described in detail:

[0058] The mold forming device 1 includes an upper mold core 12 and a lower mold core 13 that are combined to form a mold cavity 11, and a driving rod structure connecting the upper mold core 12 or the lower mold core 13, and also includes a hopper connected to the mold cavity, and a chassis 14 suitable for installing and accommodating the steam generator, wherein the first pipeline structure and the second pipeline structure are respectively connected to the mold cavity 11. The molding process of the mold molding device is as follows: first, the lower mold core is driven to close the mold with the upper mold through the driving rod structure, and then the plastic foam raw material is injected into the mold cavity through the hopper, and the high-temperature steam is introduced into the mold cavity through the first pipeline structure 5, so that the plastic foam raw material foams to produce micropores and grows to a certain volume, thereby obtaining a foam plastic product; when the product is shaped, cold air can be injected into the mold cavity through the cold air pipeline 8 to cool it down, and the temperature of the cold air will increase after passing through the mold, and then the hot steam and water are transported to the second box body 22 through the second pipeline structure 6, so that the waste heat can be absorbed by the evaporator to achieve the role of resource recycling. Obviously, the processes of the second pipeline structure and the cold air pipeline can be adjusted in sequence according to actual requirements, and finally the mold is opened to take out the molded product.

[0059] In order to realize the automatic control operation of the foam plastic one-piece molding machine, the chassis 14 is also provided with an intelligent control device 9 for controlling and connecting the mold molding device 1 and the steam generator. The intelligent control device 9 is used as the core to centrally control the mold molding device 1 and the steam generator to work in coordination through a protocol or line, thereby meeting the workflow requirements of the foam plastic one-piece molding machine.

[0060] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. An air-energy steam foam plastic integrated molding machine, comprising a mold molding device (1) and a steam generator, characterized in that , the steam generator comprises: A first box body (21) is provided with a water inlet pipe (23); An air energy heating device (3) comprising an air energy heating component (31) arranged in the first box (21), wherein the air energy heating component (31) heats the liquid in the first box (21); A steam heating device (4), connected to the first box (21) via a first pipe, and used for heating the liquid transported from the first box (21) into a steam state; A circulation pipeline device, comprising a first pipeline structure (5) connecting the steam heating device (4) and the mold forming device (1) to transport steam to the mold forming device (1), and a second pipeline structure (6) connecting the mold forming device (1) and the air energy heating device (3) to transport residual steam in the mold forming device (1) to the air energy heating device (3); The steam generator further comprises a second box (22), the air energy heating device (3) comprises a heat energy absorption component (32) arranged in the second box (22), and the outlet of the second pipeline structure (6) is in communication with the second box (22); The second box (22) is connected to the steam heating device (4) via a filter tube structure (7), and the filter tube structure (7) is used to filter the condensed liquid in the second box (22); A cold air pipeline (8) for cooling the mold forming device is also provided between the second box (22) and the mold forming device (1), and a cold air control valve (81) is provided on the cold air pipeline (8); The steam heating device (4) comprises: A third box (41) is connected to the first box (21) through a first pipeline and is connected to the second box (22) through a filter tube structure (7); The fourth box (42) is connected to the third box (41) and the inlet of the first pipeline structure (5) respectively, and a steam heating component (43) for heating liquid into a steam state is arranged in the fourth box (42).

2. The air energy steam foam plastic integrated molding machine according to claim 1, characterized in that: The third box (41) is connected to the fourth box (42) via a third pipeline, and a one-way control valve (44) is provided on the third pipeline.

3. The air energy steam foam plastic integrated molding machine according to claim 1, characterized in that: A flow guiding device (24) for causing the water in the first box (21) to form a spiral water flow is arranged in the first box (21).

4. The air energy steam foam plastic integrated molding machine according to claim 3, characterized in that: The flow guiding device (24) is a propeller device, an ultrasonic vibration device or a screw pump device.

5. The air-steam foam plastic integrated molding machine according to any one of claims 1 to 4, characterized in that: The first pipeline structure (5) and the second pipeline structure (6) are respectively steam conduits, and the steam conduits are provided with solenoid valve devices (50).

6. The air energy steam foam plastic integrated molding machine according to claim 1 or 2, characterized in that: The fourth box (42) is also provided with a temperature monitor (45) and a pressure relief valve (46) on its side wall.

7. The air energy steam foam plastic integrated molding machine according to claim 1 or 2, characterized in that: At least one layer of heat-insulating material is provided in the inner interlayer of the third box body (41), and a drain valve (47) is provided on the side wall thereof.

8. The air-steam foam plastic integrated molding machine according to any one of claims 1 to 4, characterized in that: The air energy heating component (31) is a condenser, the heat energy absorption component (32) is an evaporator, and the air energy heating device (3) further comprises a compressor (33) connected to the condenser and the evaporator.

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